La Marzocco Coffee Machine Linae AV 4G

Clean the steam nozzle with a damp cloth immediately after use

Produce a short burst of steam to clear the nozzle

Are there any visible deposits on the nozzles?

Describe any issues found during cleaning

Enter the current pressure reading from the lower scale on the pressure gauge

Is the pressure within the operating range of 8-9 bar?

Is pressure adjustment required?

Ensure at least one group is brewing coffee before adjusting pressure

Remove the drain tray grill every night

Pull out the water drain collector

Clean the water drain collector thoroughly

Ensure the machine is installed for easy access by qualified personnel.

Verify the machine is used and maintained by trained personnel only.

Confirm the machine is not stored in freezing temperatures.

Ensure the machine is not cleaned by immersion or water jets.

Check that the machine is permanently connected to fixed wiring with an RCD installed.

Cleaning Groups and Drain Wells

Insert blind filter into portafilter and add espresso cleaning product.

Engage portafilter into the group to be cleaned.

Ensure the machine is turned off and unplugged

Gather necessary cleaning materials (espresso detergent powder, screwdriver)

Unscrew the retainer screw to remove the diffuser screen

Soak the diffuser screen in espresso detergent powder

Is the diffuser screen completely clean after soaking?